Using MVC3 Razor within Javascript
<script type="text/javascript">
$(function () {
$("#submitbtn").click(function () {
@if (Some Condition) {
<text>
var checked = $("#frm input:checked").length > 0;
if (!checked) {
alert("Please select at least one object to continue");
return false;
}
</text>
}
});
});
</script>